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Finding the Fourth Proportional to 351.04, 484.64 and 226.74

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Solution

The fourth proportional to 351.04, 484.64 and 226.74 is: 313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.04 : 484.64 = 226.74 : x
  2. Step 2: Convert to fraction form
    351.04/484.64 = 226.74/x
  3. Step 3: Cross multiply
    351.04x = 484.64 × 226.74
  4. Step 4: Simplify right side
    351.04x = 109,887.27
  5. Step 5: Solve for x
    x = 109,887.27/351.04
  6. Step 6: Final answer
    x = 313.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.